CDB4270 Cirrus Logic Inc, CDB4270 Datasheet - Page 27

• Manufacturer Part Number: CDB4270
• Description: BOARD EVAL FOR CS4270 CODEC
• Manufacturer: Cirrus Logic Inc

Specifications of CDB4270

• Main Purpose: Audio, CODEC
• Embedded: Yes, FPGA / CPLD
• Utilized Ic / Part: CS4270
• Primary Attributes: Stereo, 24-Bit, 192 kHz Sample Rate
• Secondary Attributes: I²S, S/PDIF Inputs and Outputs, Analog Inputs and Outputs, GUI
• Description/function: Audio CODECs
• Operating Supply Voltage: 5 V
• Product: Audio Modules
• For Use With/related Products: CS4270
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Contains lead / RoHS non-compliant
• Other names: 598-1002

DS686DB3
8. ADC PERFORMANCE PLOTS
B
S
B
S
d
F
d
F
d
B
F
S
-100
-110
-120
-130
-140
-150
-100
-110
-100
-110
-120
-130
-140
-150
-10
-20
-30
-40
-50
-60
-70
-80
-90
-10
-20
-30
-40
-50
-60
-70
-80
-90
-10
-20
-30
-40
-50
-60
-70
-80
-90
+0
+0
+0
-120
20
20
Figure 15. 48 kHz, THD+N vs. Level
Figure 13. FFT (48 kHz, No Input)
Figure 11. FFT (-1 dB 48 kHz)
50
50
-100
100
100
200
200
-80
500
500
Hz
Hz
1k
dBr
1k
-60
2k
2k
-40
5k
5k
10k
10k
-20
20k
20k
+0
B
S
d
F
B
S
d
F
-100
-110
-10
-20
-30
-40
-50
-60
-70
-80
-90
+0
B
S
d
F
20
+40
+35
+30
+25
+20
+15
+10
-10
-15
-20
-25
-30
-35
-40
Figure 16. 48 kHz, Fade-to-Noise Linearity
+5
+0
-5
-140
Figure 14. 48 kHz, THD+N vs. Input Freq
T
-100
-110
-120
-130
-140
-150
-10
-20
-30
-40
-50
-60
-70
-80
-90
+0
20
T
T T
50
Figure 12. FFT (-60 dB, 48 kHz)
T
-120
50
100
100
-100
200
200
-80
500
Hz
500
dBr
Hz
1k
-60
1k
2k
2k
-40
CDB4270
5k
5k
-20
10k
10k
20k
20k
+0
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